PROCESS FOR PRODUCTION OF ALIPHATIC POLYESTER
An object of the present invention is to provide a method for efficient continuous production of aliphatic polyester having good quality. The invention relates to a continuous production method of aliphatic polyester, wherein the polyester is obtained through a preparation step of slurry containing...
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Main Authors | , , |
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Format | Patent |
Language | English French German |
Published |
19.11.2014
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Subjects | |
Online Access | Get full text |
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Summary: | An object of the present invention is to provide a method for efficient continuous production of aliphatic polyester having good quality. The invention relates to a continuous production method of aliphatic polyester, wherein the polyester is obtained through a preparation step of slurry containing aliphatic dicarboxylic acid and aliphatic diol, an esterification reaction step and a polycondensation reaction step, wherein temperature range of the slurry during the preparation step thereof is from the coagulation point of the aliphatic diol to 80°C, and moisture content in the slurry is from 0.01 to 10% by weight. |
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Bibliography: | Application Number: EP20090725160 |